Both Mr Trump’s daughter and wife made some concession to local sensitivities and wore almost entirely covered. Melania Trump wore a sleeved black robe with a gold belt while Ivanka Trump wore a black-and-white dress with long sleeves.

King Salman, the Saudi ruler, shook Mrs Trump’s hand as she ascended from Air Force One. Many Saudi men would refuse to shake a woman’s hand.

Ivanka Trump in Saudi Arabia

Mrs Obama dressed similarly to the Trumps when she attended the funeral of Saudi’s King Abdullah, who died in January 2015.